From Venetian Hotel to Taipa Villa(氹仔舊城區):
Suggest to go there by taxi, as it's so cold now, and there's no bus going there from Venetian Hotel. And it's not expensive.
From Venetian to Fisherman's Wharf:
You can take the Venetian Hotel Free Shuttle bus to Sands Casino, the Fisherman's Wharf is right in front of the Sands Casino.
From Venetian to Largo do Leal Senado:
Take the Venetian Hotel Free Shuttle to Sands Casino or Macau Ferry Terminal, them take a bus to Avenida Ameida Ribeiro(新馬路), get down in front of the Wing Hang Bank(永亨銀行), the Largo do Leal Senado(噴水池or義事亭前地) is very near the bus stop.